/*
 * This file is part of the Try! Engine project.
 *
 * Copyright 2010-2011 Emanuele Bertoldi. All rights reserved.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
 * POSSIBILITY OF SUCH DAMAGE.
 *
 * You should have received a copy of the modified BSD License along with this
 * program. If not, see <http://www.opensource.org/licenses/bsd-license.php>
 */

#include "selectionbox.h"
#include <scenetransformable.h>
#include <projectmodellist.h>

using namespace Try;

SelectionBox::SelectionBox(const Vector3 &center, const Color &color)
    : Box(center, Vector3::Zero, color)
{
}

SelectionBox::~SelectionBox()
{
}

void SelectionBox::update(double dt)
{
    ObjectList selection;

    Project* project = ProjectModelList::instance()->projectAt(0);

    if (project)
    {
        selection = project->selectedObjects();
        AxisAlignedBoundingBox selection_aabb;

        foreach (Object* object, selection)
        {
            SceneTransformable* transform = object->property<SceneTransformable>(Try::SceneTransformable::name);

            if (transform)
                selection_aabb.join(transform->worldAABB());
        }

        m_center = selection_aabb.center();
        m_size = selection_aabb.size();
    }

    this->setVisible(selection.size() > 0);
}
